01583nam 2200433 a 450 991070141930332120120406140704.0(CKB)5470000002418888(OCoLC)784149475(EXLCZ)99547000000241888820120406d2006 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierWork schedules and sleep patterns of railroad signalmen[electronic resource] /[Judith Gertler and Alex Viale]Washington, DC :U.S. Dept. of Transportation, Federal Railroad Administration, Office of Research and Development,[2006]1 online resource (vii, 75 pages) color illustrationsTitle from title screen (viewed on Apr. 6, 2012)."October 2006.""DOT/FRA/ORD-06/19."Includes bibliographical references (page 55).RailroadsUnited StatesEmployeesPsychologyHours of laborUnited StatesFatigueRailroadsEmployeesPsychology.Hours of laborFatigue.Gertler Judith B1382722Viale Alex1393098United States.Federal Railroad Administration.Office of Research and Development.Foster-Miller.GPOGPOBOOK9910701419303321Work schedules and sleep patterns of railroad signalmen3477933UNINA